Engine directory for ticket #1

Engine/source/shaderGen/langElement.cpp

@@ -0,0 +1,204 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#include "core/strings/stringFunctions.h"
+#include "core/util/str.h"
+
+#include "langElement.h"
+
+//**************************************************************************
+// Language element
+//**************************************************************************
+Vector<LangElement*> LangElement::elementList( __FILE__, __LINE__ );
+
+//--------------------------------------------------------------------------
+// Constructor
+//--------------------------------------------------------------------------
+LangElement::LangElement()
+{
+   elementList.push_back( this );
+
+   static U32 tempNum = 0;
+   dSprintf( (char*)name, sizeof(name), "tempName%d", tempNum++ );
+}
+
+//--------------------------------------------------------------------------
+// Find element of specified name
+//--------------------------------------------------------------------------
+LangElement * LangElement::find( const char *name )
+{
+   for( U32 i=0; i<elementList.size(); i++ )
+   {
+      if( !dStrcmp( (char*)elementList[i]->name, name ) )
+      {
+         return elementList[i];
+      }
+   }
+   
+   return NULL;
+}
+
+//--------------------------------------------------------------------------
+// Delete existing elements
+//--------------------------------------------------------------------------
+void LangElement::deleteElements()
+{
+   for( U32 i=0; i<elementList.size(); i++ )
+   {
+      delete elementList[i];
+   }
+   
+   elementList.setSize( 0 );
+
+}
+
+//--------------------------------------------------------------------------
+// Set name
+//--------------------------------------------------------------------------
+void LangElement::setName(const char* newName )
+{
+   dStrncpy( ( char* ) name, newName, sizeof( name ) );
+   name[ sizeof( name ) - 1 ] = '\0';
+}
+
+//**************************************************************************
+// Variable
+//**************************************************************************
+U32 Var::texUnitCount = 0;
+
+Var::Var()
+{
+   dStrcpy( (char*)type, "float4" );
+   structName[0] = '\0';
+   uniform = false;
+   vertData = false;
+   connector = false;
+   sampler = false;
+   mapsToSampler = false;
+   texCoordNum = 0;
+   constSortPos = cspUninit;
+   arraySize = 1;
+}
+
+Var::Var( const char *inName, const char *inType )
+{
+   structName[0] = '\0';
+   uniform = false;
+   vertData = false;
+   connector = false;
+   sampler = false;
+   mapsToSampler = false;
+   texCoordNum = 0;
+   constSortPos = cspUninit;
+   arraySize = 1;
+
+   setName( inName );
+   setType( inType );
+}
+
+void Var::setUniform(const String& constType, const String& constName, ConstantSortPosition sortPos)
+{ 
+   uniform = true;
+   setType(constType.c_str());
+   setName(constName.c_str());   
+   constSortPos = cspPass;      
+}
+
+//--------------------------------------------------------------------------
+// Set struct name
+//--------------------------------------------------------------------------
+void Var::setStructName(const char* newName )
+{
+   dStrncpy( ( char* ) structName, newName, sizeof( structName ) );
+   structName[ sizeof( structName ) - 1 ] = '\0';
+}
+
+//--------------------------------------------------------------------------
+// Set connect name
+//--------------------------------------------------------------------------
+void Var::setConnectName(const char* newName )
+{
+   dStrncpy( ( char* ) connectName, newName, sizeof( connectName ) );
+   connectName[ sizeof( connectName ) - 1 ] = '\0';
+}
+
+//--------------------------------------------------------------------------
+// Set type
+//--------------------------------------------------------------------------
+void Var::setType(const char *newType )
+{
+   dStrncpy( ( char* ) type, newType, sizeof( type ) );
+   type[ sizeof( type ) - 1 ] = '\0';
+}
+
+//--------------------------------------------------------------------------
+// print
+//--------------------------------------------------------------------------
+void Var::print( Stream &stream )
+{
+   if( structName[0] != '\0' )
+   {
+      stream.write( dStrlen((char*)structName), structName );
+      stream.write( 1, "." );
+   }
+
+   stream.write( dStrlen((char*)name), name );
+}
+
+//--------------------------------------------------------------------------
+// Get next available texture unit number
+//--------------------------------------------------------------------------
+U32 Var::getTexUnitNum(U32 numElements)
+{
+   U32 ret = texUnitCount;
+   texUnitCount += numElements;
+   return ret;
+}
+
+//--------------------------------------------------------------------------
+// Reset
+//--------------------------------------------------------------------------
+void Var::reset()
+{
+   texUnitCount = 0;
+}
+
+//**************************************************************************
+// Multi line statement
+//**************************************************************************
+void MultiLine::addStatement( LangElement *elem )
+{
+   AssertFatal( elem, "Attempting to add empty statement" );
+
+   mStatementList.push_back( elem );
+}
+
+//--------------------------------------------------------------------------
+// Print
+//--------------------------------------------------------------------------
+void MultiLine::print( Stream &stream )
+{
+   for( U32 i=0; i<mStatementList.size(); i++ )
+   {
+      mStatementList[i]->print( stream );
+   }
+}